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Reusable Barley (Block) PunchCard Chart v5 - dynamic

✓ Published0🌍 Public
JJimMaltby
Last edited May 15, 2022
Created on May 15, 2022

A dynamic punch card chart displays barley yield data across multiple growing sites and years. The visualization uses a reusable D3 module following the ProD3 pattern, with circle size scaled by yield value using `d3.scaleSqrt` and color encoded by a `d3.scaleOrdinal` scheme. Users can interact with the chart, which redraws circles and axes dynamically. The implementation relies on D3 v5 APIs including `d3.axisBottom`, `d3.axisLeft`, and `d3.scalePoint`, rendering to SVG within a container group structure.

AI-generated description

Punch card Chart: v5 Static Reusable

A vanilla HTML implementation of Chris Henrick PunchCard tutorial "D3JS v4 General Update Pattern: Punchcard Chart"

https://clhenrick.io/d3-v4-general-update-pattern-punchcard-chart/

bl.ock: https://bl.ocks.org/clhenrick/2b6b5360748a06b26bfd50d96998b741

The pattern is derived from Mike Bostock's Towards Reusable Charts (https://bost.ocks.org/mike/chart/) as the source of the foundational principles. But uses the ProD3 pattern (Pro D3.js Use D3.js to Create Maintainable, Modular, and Testable Charts by Marcos Iglesias https://www.apress.com/gp/book/9781484252024) as the basis for the charts.

Addtional help from and aknowledgement to:

MIT Licensed

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